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Briggs & Stratton 6.5 hp Quantum

Blowing gas mist out of carb when running.

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The problem that you are describing is caused by intake valve not seating correctly. I see this problem on engines that have many hours of use or lack of service. You may be able to grind /reseat /adjust valves but usually requires new guide, valve and spring. Enjoy

Posted on Dec 10, 2008

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